The Yuantai Derun's square hollow section、rectangular hollow section,circular hollow section,pre galvanized steel pipe, hot-dip galvanized steel pipe and other products carry out EN10210,EN10219,ASTM A53,ASTM A500,ASTM A501,ASTM A106,BS1387,JIS STKR400,JIS STKR490, GB/T700-2006,GB/T6728-2002; Double sided submerged arc spiral steel pipe、and seamless steel pipe shall comply with GB / T9711-2011, API Spec 5L and API 5CT standards of China petroleum industry.
Yuantai company attaches great importance to the quality of products, invests heavily in the introduction of advanced equipment and professionals, and goes all out to meet the needs of customers at home and abroad.In 2023,Yuantai Derun group laboratory has passed CNAS certification.
The Steel hollow section testing contents can be roughly divided into: chemical composition, yield strength, tensile strength, impact property, etc
At the same time, the company can also carry out on-line flaw detection and annealing and other heat treatment processes according to customer needs.
Tensile test
Chemical analysis
Record test results
Hardness tester
Water pressure test
Large impact test equipment
Metallographic detector
Salt mist detector
Small impact equipment
Yield experimental equipment
Direct reading spectrometer
